A Texas man — distraught over his daughter’s lesbian relationship — was arrested Tuesday for killing his daughter’s girlfriend and the girlfriend’s mother.

TX Dept of Public Safety

Norma (left) and Maria Hurtado

Austin police have arrested Jose Alfonso Aviles, 45, who they allege went to the home of Norma Hurtado, 24, where she lived with her mother, 57-year-old Maria Hurtado, and shot both women after knocking on the door.

The daughter told police that she and Norma Hurtado had been involved in a lesbian relationship, which her father did not approve of, and that there had been disturbances between Aviles and Norma Hurtado, according to an arrest affidavit.

The affidavit said a witness told police that the daughter’s parents would send threatening text messages to Norma Hurtado. In one message, Aviles threatened to kill Hurtado and her mother, the document says.